[INFO] fetching crate bp3d-tracing 1.0.0-alpha-2.0.0...
[INFO] checking bp3d-tracing-1.0.0-alpha-2.0.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate bp3d-tracing 1.0.0-alpha-2.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate bp3d-tracing 1.0.0-alpha-2.0.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bp3d-tracing 1.0.0-alpha-2.0.0
[INFO] finished tweaking crates.io crate bp3d-tracing 1.0.0-alpha-2.0.0
[INFO] tweaked toml for crates.io crate bp3d-tracing 1.0.0-alpha-2.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zvariant_utils v1.0.1
[INFO] [stderr]   Downloaded zvariant_derive v3.15.0
[INFO] [stderr]   Downloaded zvariant v3.15.0
[INFO] [stderr]   Downloaded bp3d-env v1.0.2
[INFO] [stderr]   Downloaded phf_codegen v0.11.2
[INFO] [stderr]   Downloaded enumflags2_derive v0.7.8
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[INFO] [stderr]   Downloaded bp3d-logger v1.1.0
[INFO] [stderr]   Downloaded zbus_macros v2.3.2
[INFO] [stderr]   Downloaded serde-xml-rs v0.5.1
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[INFO] [stderr]   Downloaded zbus_names v2.6.0
[INFO] [stderr]   Downloaded bp3d-fs v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 396cd5f55a896bc894ec84c765556ed58132a4097b935fe0d998cf65782f6901
[INFO] running `Command { std: "docker" "start" "-a" "396cd5f55a896bc894ec84c765556ed58132a4097b935fe0d998cf65782f6901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "396cd5f55a896bc894ec84c765556ed58132a4097b935fe0d998cf65782f6901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "396cd5f55a896bc894ec84c765556ed58132a4097b935fe0d998cf65782f6901", kill_on_drop: false }`
[INFO] [stdout] 396cd5f55a896bc894ec84c765556ed58132a4097b935fe0d998cf65782f6901
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c96fb3952d42314d22eac080b165ad29d395f04a9816d6c5f26a4e8b509a1f70
[INFO] running `Command { std: "docker" "start" "-a" "c96fb3952d42314d22eac080b165ad29d395f04a9816d6c5f26a4e8b509a1f70", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling enumflags2_derive v0.7.8
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking futures-lite v2.2.0
[INFO] [stderr]     Checking enumflags2 v0.7.8
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]     Checking memoffset v0.6.5
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking sha1 v0.6.1
[INFO] [stderr]     Checking async-executor v1.8.0
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking async-broadcast v0.4.1
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]    Compiling phf_codegen v0.11.2
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]    Compiling serde_repr v0.1.18
[INFO] [stderr]    Compiling serde-xml-rs v0.5.1
[INFO] [stderr]     Checking ordered-stream v0.0.1
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking dunce v1.0.4
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]    Compiling bp3d-tracing v1.0.0-alpha-2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking bp3d-env v1.0.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking unbounded-udp v1.0.1
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling zvariant_utils v1.0.1
[INFO] [stderr]    Compiling time-tz v0.3.1
[INFO] [stderr]    Compiling time-tz v1.0.3
[INFO] [stderr]    Compiling zvariant_derive v3.15.0
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling zbus_macros v2.3.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking zvariant v3.15.0
[INFO] [stderr]     Checking zbus_names v2.6.0
[INFO] [stderr]     Checking zbus v2.3.2
[INFO] [stderr]     Checking bp3d-fs v1.1.0
[INFO] [stderr]     Checking bp3d-logger v1.1.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core.rs:245:21
[INFO] [stdout]     |
[INFO] [stdout] 245 |         if let Some(mut data) = lock.spans_by_id.get_mut(id) {
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core.rs:245:21
[INFO] [stdout]     |
[INFO] [stdout] 245 |         if let Some(mut data) = lock.spans_by_id.get_mut(id) {
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Guard(Option<Box<dyn Any>>);
[INFO] [stdout]    |            ----- ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Guard(());
[INFO] [stdout]    |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Guard(Option<Box<dyn Any>>);
[INFO] [stdout]    |            ----- ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Guard(());
[INFO] [stdout]    |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.66s
[INFO] running `Command { std: "docker" "inspect" "c96fb3952d42314d22eac080b165ad29d395f04a9816d6c5f26a4e8b509a1f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c96fb3952d42314d22eac080b165ad29d395f04a9816d6c5f26a4e8b509a1f70", kill_on_drop: false }`
[INFO] [stdout] c96fb3952d42314d22eac080b165ad29d395f04a9816d6c5f26a4e8b509a1f70
